<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>vue</title>
</head>
<body>
<div id="app">
  {{1+1}}
 {{msg}}
  {{this.msg}}
</div>
<script src="../../node_modules/vue/dist/vue.js"></script>
<script>
  let vm = new Vue({
    el:'#app',
    data(){
      return {
        msg:'hello',
        info:{
          xxx:'xxxx',
        }
      }
    }
    // template:'<h1>hello world!</h1>'
  })

</script>
</body>
</html>
